31863741

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6143}}^1$

素因数の和:6185

約数の個数: 32

約数和(自身を含む): 55050240

約数和(自身を除く): 23186499

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 6143, 18429, 43001, 79859, 116717, 129003, 239577, 350151, 559013, 817019, 1517321, 1677039, 2451057, 4551963, 10621247, 31863741]

約数ペア:

[(1, 31863741), (3, 10621247), (7, 4551963), (13, 2451057), (19, 1677039), (21, 1517321), (39, 817019), (57, 559013), (91, 350151), (133, 239577), (247, 129003), (273, 116717), (399, 79859), (741, 43001), (1729, 18429), (5187, 6143)]